... ropeller 活车 work accident 工伤事故 work area 工作区域 ...
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p ropeller 螺
ropeller agitator 推进式搅拌器
ropeller pump with reversible blades 可逆叶片轴流泵
The ropeller is just a big fan in front of the lane used to keep the ilot cool. When it stops, you can actually watch the ilot start sweating.
螺旋浆其实只是一个令飞行员凉快的大风扇，当它停了，基本上你会看到飞行员开始冒汗了…
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